Pesticides residues analyze and monitoring in Georgia
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NADIRADZE, Kakha, PHIROSMANASHVILI, Nana. Pesticides residues analyze and monitoring in Georgia. In: Ecological and environmental chemistry : - 2017, Ed. 6, 2-3 martie 2017, Chișinău. Chisinau, Republic of Moldova: Academy of Sciences of Moldova, 2017, Ediția 6, p. 199.
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Ecological and environmental chemistry
Ediția 6, 2017
Conferința "Ecological and environmental chemistry 2017"
6, Chișinău, Moldova, 2-3 martie 2017

Pesticides residues analyze and monitoring in Georgia


Pag. 199-199

Nadiradze Kakha, Phirosmanashvili Nana
 
Association for Farmers Rights Defense
 
 
Disponibil în IBN: 18 martie 2019


Rezumat

Agriculture and especially Conventional Agriculture is closely connected with using of different Pesticides and chemicals in a commercial agriculture of Georgia. Local Farmers and Agricultural Cooperatives using the pesticides annually to agricultural land, non-crop land, and urban areas. The Association for Farmers Rights Defense, AFRD tries to raise awareness among farmers and help to define a pesticide as substance used to kill or control insects, weeds, plant diseases, and other pest organisms that could be very harmful for people, animals, plants and environment. Although there are important benefits from the proper use of pesticides, like crop protection and prevention of human disease outbreaks, there are also risks. One risk is the contamination of soils and groundwater and surface-water resources. Pesticides can contaminate surface water and groundwater from both point sources and non-point sources. Point sources are from specific locations such as spill sites, disposal sites, and pesticide drift during application, and application of pesticides to control aquatic pests. Non-point sources represent the dominant source of surface water and groundwater contamination and may include agricultural and urban runoff, erosion, leaching from application sites, and precipitation that has become contaminated by upwind applications. Pesticides typically enter surface water when rainfall or irrigation exceeds the infiltration capacity of soil and resulting runoff then transports pesticides to streams, rivers, and other surface-water bodies. Contamination of groundwater may result directly from spills near poorly sealed well heads and from pesticide applications through improperly designed or malfunctioning irrigation systems that also are used to apply pesticides. Groundwater contamination also may come indirectly by the percolation of agricultural and urban irrigation water through soil layers and into groundwater and from pesticide residue in surface water, such as drainage ditches, streams, and municipal wastewater as agriculture is still the largest user of fresh water and the major source of degradation of surface and ground water sources. The agro food-processing industry is also a significant source of organic pollution. Further residue studies in other agricultural areas provided by AFRD are needed in order to assess the levels of pesticide residues in Georgia in most cultivated soils, water and living organisms. During our research project we found that the corn herbicide atrazine is relatively non-toxic compared to many other herbicides but can cause weight loss, cardiovascular damage, retinal and some muscle degeneration and cancer with long-term exposure. The maximum allowable concentration of atrazine in water is 3 ppb. It can be detected in rain, fog, snow around the globe. Surface water was found to be more contaminated than ground water with more number of and more concentrated pesticide residues.